Electron microscopes are about 1000 times more powerful than light microscopes
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F
Anatomy & Physiology
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During ventricular contraction, the semilunar valves close in order to permit the blood to enter the large arterial trunks that carry blood away from the heart
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Anatomy & Physiology
Nuclei relating to the startle reflex are located in the corpora quadrigemina of the midbrain
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Anatomy & Physiology
The Na+ and K+ channels that open and close during an action potential are voltage-gated channels
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Anatomy & Physiology
Sequential waves of smooth muscle contraction which propel food through the digestive tract are known as peristalsis.
a. true b. false
Anatomy & Physiology